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WO2008013881A3 - Methods and materials for stabilizing analyte sensors - Google Patents

Methods and materials for stabilizing analyte sensors Download PDF

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Publication number
WO2008013881A3
WO2008013881A3 PCT/US2007/016785 US2007016785W WO2008013881A3 WO 2008013881 A3 WO2008013881 A3 WO 2008013881A3 US 2007016785 W US2007016785 W US 2007016785W WO 2008013881 A3 WO2008013881 A3 WO 2008013881A3
Authority
WO
WIPO (PCT)
Prior art keywords
sensor
cannula
stabilizing
materials
methods
Prior art date
Application number
PCT/US2007/016785
Other languages
French (fr)
Other versions
WO2008013881A2 (en
Inventor
Rajiv Shah
Udo Hoss
Gopikrishnan Soundararajan
Antwerp Nannette M Van
Barry Pham
Original Assignee
Medtronic Minimed Inc
Rajiv Shah
Udo Hoss
Gopikrishnan Soundararajan
Antwerp Nannette M Van
Barry Pham
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Medtronic Minimed Inc, Rajiv Shah, Udo Hoss, Gopikrishnan Soundararajan, Antwerp Nannette M Van, Barry Pham filed Critical Medtronic Minimed Inc
Priority to CA2658759A priority Critical patent/CA2658759C/en
Priority to EP07810797.6A priority patent/EP2043511B1/en
Priority to DK07810797.6T priority patent/DK2043511T3/en
Priority to JP2009521831A priority patent/JP5231413B2/en
Publication of WO2008013881A2 publication Critical patent/WO2008013881A2/en
Publication of WO2008013881A3 publication Critical patent/WO2008013881A3/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/1468—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using chemical or electrochemical methods, e.g. by polarographic means
    • A61B5/1486—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using chemical or electrochemical methods, e.g. by polarographic means using enzyme electrodes, e.g. with immobilised oxidase
    • A61B5/14865—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using chemical or electrochemical methods, e.g. by polarographic means using enzyme electrodes, e.g. with immobilised oxidase invasive, e.g. introduced into the body by a catheter or needle or using implanted sensors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/14532—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue for measuring glucose, e.g. by tissue impedance measurement
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
    • A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
    • A61B5/6848—Needles
    • A61B5/6849—Needles in combination with a needle set

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Emergency Medicine (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The disclosure provides a sensor including a sensor having an external surface and a cannula. The cannula comprises a substantially cylindrical wall encircling a lumen, at least one aperture and a distal end. The sensor is positioned within the lumen and the distal end of the cannula extends beyond the sensor. This configuration functions for example to stabilize chemical reactions associated with the sensor by creating a buffer zone between the sensor and the surrounding tissues at the site of implantation. In certain embodiments, the sensor can further comprise an accessory material in proximity to the external surface, wherein the accessory material modifies the biological response of a tissue that is in contact with the sensor. The sensor can also comprise anchors that keeps the sensor in contact with subcutaneous tissue of a subject upon insertion of the sensor into the body of the subject.
PCT/US2007/016785 2006-07-26 2007-07-26 Methods and materials for stabilizing analyte sensors WO2008013881A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CA2658759A CA2658759C (en) 2006-07-26 2007-07-26 Methods and materials for stabilizing analyte sensors
EP07810797.6A EP2043511B1 (en) 2006-07-26 2007-07-26 Methods and materials for stabilizing analyte sensors
DK07810797.6T DK2043511T3 (en) 2006-07-26 2007-07-26 Methods and Materials for Stabilizing Analyte Sensors
JP2009521831A JP5231413B2 (en) 2006-07-26 2007-07-26 Sensor system for stabilizing the analyte sensor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/493,054 US9492111B2 (en) 2002-04-22 2006-07-26 Methods and materials for stabilizing analyte sensors
US11/493,054 2006-07-26

Publications (2)

Publication Number Publication Date
WO2008013881A2 WO2008013881A2 (en) 2008-01-31
WO2008013881A3 true WO2008013881A3 (en) 2008-04-24

Family

ID=38982066

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/016785 WO2008013881A2 (en) 2006-07-26 2007-07-26 Methods and materials for stabilizing analyte sensors

Country Status (6)

Country Link
US (1) US9492111B2 (en)
EP (1) EP2043511B1 (en)
JP (1) JP5231413B2 (en)
CA (1) CA2658759C (en)
DK (1) DK2043511T3 (en)
WO (1) WO2008013881A2 (en)

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US9309550B2 (en) * 2008-01-29 2016-04-12 Medtronic Minimed, Inc. Analyte sensors having nanostructured electrodes and methods for making and using them
EP2697388B1 (en) 2011-03-28 2015-05-20 F.Hoffmann-La Roche Ag Improved diffusion layer for an enzymatic in-vivo sensor
JP2012205676A (en) * 2011-03-29 2012-10-25 Terumo Corp Sensor
CA2843008A1 (en) 2011-07-26 2013-01-31 Glysens Incorporated Tissue implantable sensor with hermetically sealed housing
WO2013046993A1 (en) * 2011-09-30 2013-04-04 オリンパス株式会社 Needle sensor and needle sensor unit
EP2768390A4 (en) 2011-10-21 2015-09-23 Incube Labs Llc IMPLANTABLE OXYMMETRIC MEASURING APPARATUS AND METHOD OF USE
US10598627B2 (en) 2012-06-29 2020-03-24 Dexcom, Inc. Devices, systems, and methods to compensate for effects of temperature on implantable sensors
US10881339B2 (en) 2012-06-29 2021-01-05 Dexcom, Inc. Use of sensor redundancy to detect sensor failures
US10660550B2 (en) 2015-12-29 2020-05-26 Glysens Incorporated Implantable sensor apparatus and methods
US10561353B2 (en) 2016-06-01 2020-02-18 Glysens Incorporated Biocompatible implantable sensor apparatus and methods
KR102373982B1 (en) * 2013-08-21 2022-03-14 센세오닉스, 인코포레이티드 Drug elution for in vivo protection of bio-sensing analytes
US10376187B2 (en) 2014-09-03 2019-08-13 Nova Biomedical Corporation Subcutaneous sensor inserter and method
US20170135349A1 (en) * 2015-11-17 2017-05-18 VectorBlock LLC Composition with pest resistant properties
AU2016381968B2 (en) 2015-12-30 2020-03-19 Dexcom, Inc. Biointerface layer for analyte sensors
US11298059B2 (en) 2016-05-13 2022-04-12 PercuSense, Inc. Analyte sensor
US10638962B2 (en) 2016-06-29 2020-05-05 Glysens Incorporated Bio-adaptable implantable sensor apparatus and methods
EP3540423A4 (en) * 2016-11-08 2020-07-22 JSR Corporation ENZYME SENSOR AND ENZYME SENSOR SYSTEM
US10638979B2 (en) 2017-07-10 2020-05-05 Glysens Incorporated Analyte sensor data evaluation and error reduction apparatus and methods
US11278668B2 (en) 2017-12-22 2022-03-22 Glysens Incorporated Analyte sensor and medicant delivery data evaluation and error reduction apparatus and methods
US11255839B2 (en) 2018-01-04 2022-02-22 Glysens Incorporated Apparatus and methods for analyte sensor mismatch correction
CN112294302B (en) * 2019-08-02 2024-12-13 华广生技股份有限公司 Biosensor implantation device and implantation method thereof
KR102247002B1 (en) * 2019-10-15 2021-04-29 동우 화인켐 주식회사 Bio sensor
CA3188761A1 (en) * 2020-07-06 2022-01-13 Biolinq Incorporated A device for the mitigation of a non-analyte-derived signal

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Also Published As

Publication number Publication date
US9492111B2 (en) 2016-11-15
JP2009544409A (en) 2009-12-17
EP2043511A2 (en) 2009-04-08
US20080027287A1 (en) 2008-01-31
DK2043511T3 (en) 2016-08-22
JP5231413B2 (en) 2013-07-10
CA2658759A1 (en) 2008-01-31
CA2658759C (en) 2016-10-25
WO2008013881A2 (en) 2008-01-31
EP2043511B1 (en) 2016-05-04

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